ORA-16140: standbyonline logs have not been recovered Cause: The standby database has online logs containing redothat has not been
recovered. Activating the standby would lose redo contained in the online logs. Action: Torecover the standby online logs issue the following command: ALTER
DATABASE RECOVER MANAGED STANDBY DATABASE FINISH. Then reissue
the ALTER DATABASE ACTIVATE STANDBY DATABASE command. To activate
the standby without recovering the online logs, issue the following command:
ALTER DATABASE ACTIVATE STANDBY DATABASE SKIP STANDBY
LOGFILE.